| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | // <regex> |
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| 10 | |
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| 11 | // template <class charT, class traits = regex_traits<charT>> class basic_regex; |
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| 12 | |
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| 13 | // template <class ForwardIterator> |
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| 14 | // basic_regex(ForwardIterator first, ForwardIterator last); |
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| 15 | |
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| 16 | #include <regex> |
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| 17 | #include <cassert> |
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| 18 | |
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| 19 | #include "test_iterators.h" |
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| 20 | #include "test_macros.h" |
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| 21 | |
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| 22 | template <class Iter> |
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| 23 | void |
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| 24 | test(Iter first, Iter last, unsigned mc) |
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| 25 | { |
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| 26 | std::basic_regex<typename std::iterator_traits<Iter>::value_type> r(first, last); |
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| 27 | assert(r.flags() == std::regex_constants::ECMAScript); |
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| 28 | assert(r.mark_count() == mc); |
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| 29 | } |
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| 30 | |
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| 31 | int main(int, char**) |
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| 32 | { |
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| 33 | typedef forward_iterator<std::string::const_iterator> F; |
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| 34 | std::string s1("\\(a\\)" ); |
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| 35 | std::string s2("\\(a[bc]\\)" ); |
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| 36 | std::string s3("\\(a\\([bc]\\)\\)" ); |
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| 37 | std::string s4("(a([bc]))" ); |
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| 38 | |
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| 39 | test(first: F(s1.begin()), last: F(s1.end()), mc: 0); |
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| 40 | test(first: F(s2.begin()), last: F(s2.end()), mc: 0); |
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| 41 | test(first: F(s3.begin()), last: F(s3.end()), mc: 0); |
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| 42 | test(first: F(s4.begin()), last: F(s4.end()), mc: 2); |
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| 43 | |
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| 44 | return 0; |
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| 45 | } |
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| 46 | |
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